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© Briggs & Stratton Corporation Page 1 of 1
All language translations of this document are
derived from the original English source file.
BRIGGS & STRATTON SERVICE NOTIFICATION
TO: ARIENS COMPANY
DATE: NOVEMBER 2013
SUBJECT: HARD STARTING / ERRATIC ENGINE OPERATION
MODELS: 120000 & 150000 HORIZONTAL SHAFT SNOW ENGINES
CODE OR SERIAL #: 12051788XXXXX THROUGH 13061888XXXXX
CONDITION:
During recent routine quality audits of subject engines, we identified that some of our fuel hose assembly lubricant
had entered the carburetor on subject engines, potentially affecting performance. We subsequently cleaned the
fuel systems of affected product with an isopropanol solution or by running the engine with aviation fuel. In some of
the cleaned engines, we have since identified traces of oxidation and/or a gel residue on the internal surfaces of the
carburetor. Engines with this condition may exhibit repeated starting difficulties or erratic operation, generally
reported on new out-of-box product.
INSPECTION / REPAIR ACTION:
If the engine starts easily and operation is stable, no further action is required. If, during routine pre-delivery set-up
or a customer compliant, the engine exhibits repeated hard starting or prolonged unstable operation, clean/repair
the carburetor or replace the carburetor. Order the appropriate replacement carburetor based on the following:
Model Series 120000 – P/N 593357
Model Series 150000 – P/N 593358
NOTE: Transfer the choke shaft and choke plate components from the original carburetor to the new one, per the
instructions included with the carburetor.
WARRANTY:
File warranty claims per normal warranty guidelines. Carburetor cleaning/repair or replacement can typically be
accomplished in 45 minutes or less. Enter 125 in the IPL Reference Number field and enter SP in the Condition
Code field. In addition to recording the required engine information in the respective fields, also include the
snowthrower model and serial number in the equipment section of the claim form. Please retain and tag any
carburetor that is replaced under warranty so that, if requested, factory returns can be accommodated.
BRIGGS & STRATTON
Distribution Sales & Customer Support